Singlemode

A type of fiber optic that is designed for the transmission of a single ray or mode of light as a carrier and is used for long-distance signal transmission. For short distances, multimode fiber is used.

With a core diameter of less than 10 microns, singlemode fiber has a much smaller core than multimode fiber. Used for high-speed transmission over long distances, singlemode provides greater bandwidth than multimode, but its smaller core makes it more difficult to couple the light source.

Singlemmode fiber is designed for high-bandwidth connections over long distances. It is commonly available in both 8/125µ and 9/125µ types. Singlemode fiber supports longer cables than multimode fiber, but is generally more expensive, as it requires a more precise laser optical source.

Singlemmode can use LC, SC, ST, MTRJ, and other connectors. Some devices designed for singlemode fiber can also support multimode fiber, but over shorter distances.